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Finding the Fourth Proportional to 996,546, 1,494,819 and 323,190.57

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Solution

The fourth proportional to 996,546, 1,494,819 and 323,190.57 is: 484,785.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,546 : 1,494,819 = 323,190.57 : x
  2. Step 2: Convert to fraction form
    996,546/1,494,819 = 323,190.57/x
  3. Step 3: Cross multiply
    996,546x = 1,494,819 × 323,190.57
  4. Step 4: Simplify right side
    996,546x = 483,111,404,656.83
  5. Step 5: Solve for x
    x = 483,111,404,656.83/996,546
  6. Step 6: Final answer
    x = 484,785.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.